Add changes to capture eMMC and SD card errors.
This is useful for debug and testing.
Signed-off-by: Shaik Sajida Bhanu <quic_c_sbhanu@xxxxxxxxxxx>
Signed-off-by: Liangliang Lu <luliang@xxxxxxxxxxxxxx>
Signed-off-by: Sayali Lokhande <sayalil@xxxxxxxxxxxxxx>
Signed-off-by: Bao D. Nguyen <nguyenb@xxxxxxxxxxxxxx>
Signed-off-by: Ram Prakash Gupta <quic_rampraka@xxxxxxxxxxx>
---
drivers/mmc/core/core.c | 8 ++++++++
drivers/mmc/core/queue.c | 3 +++
2 files changed, 11 insertions(+)
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 368f104..c586d69 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -2242,6 +2242,14 @@ void mmc_rescan(struct work_struct *work)
if (freqs[i] <= host->f_min)
break;
}
+
+ /*
+ * Ignore the command timeout errors observed during
+ * the card init as those are excepted.
+ */
+
+ if (host && host->err_stats_enabled)
+ host->err_stats[MMC_ERR_CMD_TIMEOUT] = 0;
mmc_release_host(host);
out:
diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c
index c69b2d9..7dc9dfb 100644
--- a/drivers/mmc/core/queue.c
+++ b/drivers/mmc/core/queue.c
@@ -100,6 +100,9 @@ static enum blk_eh_timer_return mmc_cqe_timed_out(struct request *req)
enum mmc_issue_type issue_type = mmc_issue_type(mq, req);
bool recovery_needed = false;
+ if (host->err_stats_enabled)
+ mmc_debugfs_err_stats_inc(host, MMC_ERR_CMDQ_REQ_TIMEOUT);
+
switch (issue_type) {
case MMC_ISSUE_ASYNC:
case MMC_ISSUE_DCMD:
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation
